288 Journal of Comparative Neurology. 



mdb. I, 2, J, 4. — first, second, third and fourth branches respectively 

 of mdb. 



mdb. 2a. — branch of same to inner epithelium of cheek. 



mdb. 2b. — branch of mdb. 2. to skin. 



mdb. 4a. — branch of fourth mandibular ramus to the r. alveolaris VII. 



mdb. 4b. — branch of fourth mandibular ramus to the skin of mandible. 



mhf. — nerves to the m. interhyoideus. 



mhp. V -{- V/I. — nerves lof the trigeminus and facialis to the m. inter- 

 hyoideus. 



mop. — mesial terminal branch of the r. ophthalmicus profundus trigemini. 



mp. — mesial terminal branch of the r. palatinus VII. 



mtl. — ramus mentalis VII. 



mtl. ex. — r. mentalis externus. 



mtl. in. — r. mentalis internus. 



mxv. — ramus maxillaris trigemini. 



op. V. — ramus ophthalmicus profundus trigemini. 



op. V. 2,3. — second and third branches of the latter. 



0. s. VII. — ramus ophthalmicus superficialis facialis. 



/. VII. — ramus palatinus facialis. 



/. c. VII. — ramus palatinus caudalis facialis. 



/. e. VII -\- IX. — nerve from Jacobson's anastomosis. 



prt. IX. — ramus pre-trematicus glossopharyngii. 



prt. X. I . — ramus pre-trematicus of first t. branchialis vagi. 



prt. X. 2. — ramus pre-trematicus of second t. branchialis vagi. 



prt. X.J. — ramus pre-trematicus of third t. branchialis vagi. 



pst. IX. — ramus post-trematicus glossopharyngii. 



pst. X. I. — ramus post-trematicus of first t. branchialis vagi. 



pst. X. 2. — ramus post-trematicus of second t. branchialis vagi. 



rec. — ramus recurrens vagi. 



rec. I, 2, J. — first, second and third branches respectively of ramus recur- 

 rens vagi. 



spt. — ramus supratemporalis vagi. 



sp. I. — root of first spinal nerve. 



sp. a, b. — two rootlets of latter. 



sp. J. d. — dorsal branch of first spinal nerve. 



sp. I. r. I. — first branch of first spinal nerve. 



sp. I. V. — ventral branch of first spinal nerve. 



sp. 2. V. — ventral branch of second spinal nerve. 



sp. 2. va. — cutaneous branch of ventral ramus of second spinal nerve. 



V. — root of trigeminus. 



VII. I. — lateralis root of facial nerve. 

 • VII. c. — communis root of facial nerve. 



VII. m. — motor root of facial nerve. 



V. 0. p. V. — ventral terminal branch of r. ophthalmicus profundus V. 

 vsc. — truncus visceralis vagi. 

 vsc. I. — first branch of t. visceralis vagi. 

 vsc. la. — branch of latter to mm. cucullaris and dorso-trachealis. 



